TempoPeek

Black Sabbath · Mob Rules

Slipping Away

Slipping Away is in D flat major at 108.4 beats per minute.

4080120160200

Tempo

108 BPM · Moderatomedian of 180 analyses · 108.1–108.4 across the middle eight tenths
Key
D♭ major5 flats · the key most of the analyses agreed on
Agreement
95%share of analyses that agreed
Analyses
180people who ran the extractor
One beat
553.5milliseconds, 60,000 ÷ BPM
Tuning
442.5Hz · +10 cents from A 440
Dynamics
3.05dB the level wanders from its average
Loudness
0.938Essentia's 0–1 scale, not dB
Danceability
1.112Essentia's danceability, 0–3

Source: AcousticBrainz, dump of 2022-06-23 (CC0) · MusicBrainz core data, 2026-09-17 (CC0) · how each number is measured. Measured up to 23.06.2022 — AcousticBrainz stopped collecting in 2022, so nothing released after that date is here.

What the numbers say

180 independent analyses of this recording were submitted to AcousticBrainz. All but a handful of them — 95% — put it in D flat major, a key signature of 5 flats. The tempo printed above is the median of the 180 readings; 94% of them land within 2% of it, and they barely differ at all.

At 108.4 BPM one beat lasts 553.5 milliseconds, so a sixteenth note is 138.4 ms and a dotted eighth 415.1 ms — the delay times for this recording. Counted half as fast it is 54.2 BPM, counted twice as fast 216.8. A score would mark that Moderato, by the ranges this site uses.

The analyses put the reference pitch of the recording at 442.5 Hz, which is 10 cents above concert A at 440 Hz — the sort of drift a tape machine or a slightly different mastering leaves behind. That is a fact about this transfer of the music, not about how it was played.

The dynamic complexity of the recording measures 3.05 dB: that is how far the level wanders from its own average, so a small number means a loud, flat master and a large one means a recording that still breathes. Its average loudness is 0.938 on Essentia's 0-to-1 scale, which is not decibels and is not comparable to a streaming service's number.

10 other recordings here are in D flat major; the ones listed below are the closest in tempo.

Beats per bar are not in this dataset. AcousticBrainz's analysis reports a tempo, a key and a loudness, and no time signature at all, so this page does not print one — a 4/4 here would be a guess dressed as a measurement.

Keys that fit with D♭ major

Each of these differs from D♭ major by at most one accidental, or shares its tonic. That is the whole of what a mixing wheel encodes; here the relations are named instead of numbered.

Delay times at 108 BPM

Note valueBeatsMillisecondsHertz
Whole note422140.45
Half note211070.9
Dotted quarter1.5830.31.2
Quarter note (one beat)1553.51.81
Quarter triplet0.6673692.71
Dotted eighth0.75415.12.41
Eighth note0.5276.83.61
Eighth triplet0.333184.55.42
Dotted sixteenth0.375207.64.82
Sixteenth note0.25138.47.23
Sixteenth triplet0.16792.310.84
Thirty-second note0.12569.214.45

Half time 54.2 BPM · double time 216.8 BPM. Every row is one beat (553.5 ms) times the fraction in the second column.

Closest in key and tempo

  1. Teenage WildlifeDavid BowieD♭ major108BPM
  2. All Night Long (All Night)Lionel RichieD♭ major109BPM
  3. When I Need YouCéline DionD♭ major108BPM
  4. WoodenApparatD♭ major108BPM
  5. I Bet My LifeImagine DragonsD♭ major108BPM
  6. RuintDuke Ellington & Johnny HodgesD♭ major108BPM
  7. Short CircuitDaft PunkD♭ major110BPM
  8. You’ve Got the LoveFlorence + the MachineD♭ major110BPM
  9. Someone You LovedLewis CapaldiD♭ major110BPM
  10. Love ThemeVangelisD♭ major110BPM

Recordings in D flat major, ordered by how near their tempo is to 108 BPM. A calculation, not a recommendation.

All songs in D flat majorAll songs at 108 BPMD♭ major at 100–109 BPMBlack Sabbath

MusicBrainz collapses 3 recording ids into this one. Recording id 3bae621e-3cd4-4743-9ba8-cca1b94f08aa.